Conduction can occur within a single substance, but parts of the substance must have which property?
a. different temperatures
b.) different textures
c.) different particle sizes
d.) different colors

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

What happens when light is scattered?

Which of the following describes a situation where competition between producers exists